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ComfortZone
ComfortZone, HVAC Technician
Category: HVAC
Satisfied Customers: 516
Experience:  10 years in the HVAC industry.
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I have a RobertShaw 8400-1 thermostat. In trying to get the

Customer Question

I have a RobertShaw 8400-1 thermostat. In trying to get the change filter light to go out I now have the thermostat on C instead of F. How do I get it back to F? and how do I get the change filter light off in the future?
Submitted: 8 years ago.
Category: HVAC
Expert:  ComfortZone replied 8 years ago.
Press both up and down arrows for 3 seconds and it should flash the C release the buttons and press the up arrow to change to F.
Customer: replied 8 years ago.
deposit has already been deducted from my account. How do I turn off the change filter light which I asked in the first request
Expert:  ComfortZone replied 8 years ago.

Change the hours to 0